High-strength brake pad steel backing

Abstract

The utility model relates to the technical field of brake pad steel backing, and discloses a high-strength brake pad steel backing which comprises a steel backing body, a plurality of large heat dissipation holes are formed in the front side of the steel backing body, a plurality of small heat dissipation holes are formed in the rear side of the steel backing body, and the large heat dissipation holes are communicated with the small heat dissipation holes. A matched copper heat dissipation plate is arranged on the rear side of the steel backing body, and a plurality of large heat dissipation copper sleeves matched with the large heat dissipation holes are arranged on the front side of the copper heat dissipation plate. The small heat dissipation copper sleeves and the large heat dissipation copper sleeves are inserted into the corresponding small heat dissipation holes and the corresponding large heat dissipation holes respectively, so that the copper heat dissipation plate can be attached to the steel backing body, and the small heat dissipation copper sleeves and the large heat dissipation copper sleeves can quickly transfer heat generated by brake friction of a brake pad to the copper heat dissipation plate for heat dissipation. The temperature rise of the steel backing body is reduced, so that the thermal deformation of the steel backing body is reduced, and the overall high strength of the steel backing body is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake pad steel back technical field, concretely is a kind of high-strength brake pad steel back. BACKGROUND

[0002] The working principle of brake is mainly from friction, utilize brake pad and brake disc (drum) and the friction of tire and ground, convert the kinetic energy of vehicle into the heat energy of friction, stop car, in the brake system of car, brake pad is the most critical safety parts, and the good and bad of all brake effect is the decisive role of brake pad;Brake pad is generally composed of steel back, adhesive layer and friction plate, steel back is the adhesive installation component of friction plate, and also the component contacted with brake piston.

[0003] In the patent document with the announcement number CN213511801U that has been published, an improved structure brake pad steel back is disclosed, the patent document is published, through the setting of limiting recess, first, the position of friction material is limited, to avoid the connection between friction material and steel back loose displacement due to the violent friction of friction material and brake disc during braking, second, the positioning of friction material during bonding is facilitated, and the operation is facilitated, through the setting of several counterbores, the use of material is reduced while the heat dissipation effect of steel back is improved, and the service life is improved;However, in the above-mentioned published patent document, only natural air cooling heat dissipation is adopted by adopting counterbores, the heat on the steel back cannot be quickly transferred to other components for heat dissipation, and thermal deformation is prone to occur, and the overall strength of steel back is affected. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of high-strength brake pad steel back, solve the problem raised in background art.

[0005] The application embodiment provides a kind of high-strength brake pad steel back, including steel back body, the front side of the steel back body is equipped with a plurality of large heat dissipation holes, and the rear side of steel back body is equipped with a plurality of small heat dissipation holes, the large heat dissipation hole is communicated with small heat dissipation hole, the rear side of the steel back body is provided with matching copper heat sink, the front side of the copper heat sink is provided with a plurality of large heat dissipation copper sleeve pipes matched with large heat dissipation hole, the front side of the large heat dissipation copper sleeve pipe is provided with a plurality of small heat dissipation copper sleeve pipes matched with small heat dissipation hole, the number of large heat dissipation hole and small heat dissipation hole is equal to the number of large heat dissipation copper sleeve pipe and small heat dissipation copper sleeve pipe, the small heat dissipation copper sleeve pipe is inside small heat dissipation hole, and the large heat dissipation copper sleeve pipe is inside large heat dissipation hole.

[0006] By adopting the technical scheme, the small heat dissipation copper sleeve and the large heat dissipation copper sleeve are respectively inserted into the corresponding small heat dissipation holes and large heat dissipation holes, the small heat dissipation copper sleeve and the large heat dissipation copper sleeve can quickly transmit the heat generated by the brake friction of the brake pad to the copper heat dissipation plate for heat dissipation, the temperature rise of the steel back body is reduced, the thermal deformation of the steel back body is reduced, and the high strength of the steel back body is ensured.

[0007] Optionally, the rear side of the steel back body is fixedly connected with two protrusions, and both sides of the steel back body are provided with warning pieces, both ends of the protrusions are provided with threaded holes, and the warning pieces are penetrated and threadedly connected with mounting bolts matched with the threaded holes.

[0008] By adopting the technical scheme, the protrusions can limit the pasting of the brake pad, the mounting bolts are screwed into the corresponding threaded holes, the warning pieces are installed, and the function of reminding the replacement of the brake pad when the thickness of the brake pad is insufficient is achieved.

[0009] Optionally, the rear side of the copper heat dissipation plate is provided with a matched soundproof plate.

[0010] By adopting the technical scheme, the noise generated during braking is reduced.

[0011] Optionally, the four corners of the rear side of the steel back body are fixedly connected with internally threaded sleeves, the four corners of the copper heat dissipation plate are provided with round holes one matched with the internally threaded sleeves, the four corners of the soundproof plate are provided with round holes two matched with the internally threaded sleeves, the internally threaded sleeves pass through the round holes one and the round holes two, and matched fixing bolts are threadedly connected in the internally threaded sleeves.

[0012] By adopting the technical scheme, the internally threaded sleeves pass through the corresponding round holes one and round holes two, the fixing bolts are screwed into the internally threaded sleeves, the installation of the copper heat dissipation plate and the soundproof plate is completed, and the replacement of the copper heat dissipation plate and the soundproof plate is facilitated.

[0013] Optionally, the rear side of the steel back body is provided with three piston grooves.

[0014] By adopting the technical scheme, the contact points of the brake piston contacting the steel back body are provided, and the stability of the movement of the steel back body is ensured.

[0015] Optionally, the copper heat dissipation plate, the large heat dissipation copper sleeve and the small heat dissipation copper sleeve are integrally formed by casting.

[0016] By adopting the technical scheme, the strength of the whole heat dissipation component is ensured.

[0017] Compared with the prior art, the beneficial effects of the technical scheme of the present application are as follows:

[0018] 1、The technical scheme of the application can make the copper heat dissipation plate adhere to the steel back body by inserting the small heat dissipation copper sleeve and the large heat dissipation copper sleeve into the corresponding small heat dissipation hole and large heat dissipation hole, respectively, so that the heat generated by the brake pad during braking can be quickly transmitted to the copper heat dissipation plate for heat dissipation, reducing the temperature rise of the steel back body, thereby reducing the thermal deformation of the steel back body and ensuring the high strength of the steel back body as a whole.

[0019] 2、The technical scheme of the application can play a limiting role in pasting the brake pad through the convex piece, and the warning piece can be installed by screwing the mounting bolt into the corresponding threaded hole, so that the warning piece can remind the replacement of the brake pad when the thickness of the brake pad is insufficient. BRIEF DESCRIPTION OF DRAWINGS

[0020] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, with reference to the accompanying drawings:

[0021] Figure 1 is a front view of the structure of the present application;

[0022] Figure 2 is an exploded view of the present application;

[0023] Figure 3 is a rear view of the structure of the present application Figure 2 is an enlarged view of position A in the present application;

[0024] Figure 4 is a rear view of the structure of the present application

[0025] Figure 5 is an enlarged view of position B in the present application. Figure 2

[0026] In the figure: 1, steel back body; 2, copper heat dissipation plate; 3, soundproof board; 4, warning piece; 5, piston groove; 6, internal threaded sleeve; 7, round hole one; 8, round hole two; 9, fixing bolt; 10, large heat dissipation hole; 11, small heat dissipation hole; 12, large heat dissipation copper sleeve; 13, small heat dissipation copper sleeve; 14, convex piece; 15, threaded hole; 16, mounting bolt. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0028] Please refer to​Figures 1-3 The utility model provides a kind of high-strength brake pad steel back, including steel back body 1, the front side of steel back body 1 is equipped with a plurality of big heat dissipation holes 10, and the rear side of steel back body 1 is equipped with a plurality of small heat dissipation holes 11, big heat dissipation hole 10 is communicated with small heat dissipation hole 11, the rear side of steel back body 1 is provided with matching copper heat sink 2, the front side of copper heat sink 2 is provided with a plurality of matching big heat dissipation copper sleeve pipe 12 with big heat dissipation hole 10, the front side of big heat dissipation copper sleeve pipe 12 is provided with a plurality of matching small heat dissipation copper sleeve pipe 13 with small heat dissipation hole 11, the number of big heat dissipation hole 10 and small heat dissipation hole 11 is equal to the number of big heat dissipation copper sleeve pipe 12 and small heat dissipation copper sleeve pipe 13, small heat dissipation copper sleeve pipe 13 is inside small heat dissipation hole 11, and big heat dissipation copper sleeve pipe 12 is inside big heat dissipation hole 10;

[0029] In this technical scheme, by inserting small heat dissipation copper sleeve pipe 13 and big heat dissipation copper sleeve pipe 12 into corresponding small heat dissipation hole 11 and big heat dissipation hole 10 respectively, copper heat sink 2 can be attached to steel back body 1, small heat dissipation copper sleeve pipe 13 and big heat dissipation copper sleeve pipe 12 can quickly transfer the heat generated by brake pad brake friction to copper heat sink 2 for heat dissipation, reduce the temperature rise of steel back body 1, thereby reducing the thermal deformation of steel back body 1, and ensuring the high strength of steel back body 1 as a whole.

[0030] In some technical solutions, as shown in Figures 1-2 And Figures 4-5 The rear side of steel back body 1 is fixedly connected with two protrusions 14, and both sides of steel back body 1 have warning pieces 4, threaded holes 15 are formed at both ends of protrusions 14, mounting bolts 16 matching threaded holes 15 are threaded through warning pieces 4, and one end of mounting bolts 16 is inside threaded holes 15.

[0031] When in use, protrusions 14 can limit the sticking of brake pads, mounting bolts 16 are screwed into corresponding threaded holes 15 to install warning pieces 4, and warning pieces 4 can remind to replace brake pads when the thickness of brake pads is insufficient.

[0032] In some technical solutions, as shown in Figures 1-2 The rear side of copper heat sink 2 is provided with a matching soundproof board 3.

[0033] When in use, soundproof board 3 can reduce the noise generated during braking.

[0034] In some technical solutions, as shown in Figures 2-3As shown, the four corners of the rear side of the steel back body 1 are fixedly connected with inner threaded sleeves 6, the four corners of the copper heat sink plate 2 are provided with circular holes one 7 matched with the inner threaded sleeves 6, the four corners of the soundproof plate 3 are provided with circular holes two 8 matched with the inner threaded sleeves 6, the inner threaded sleeves 6 pass through the circular holes one 7 and the circular holes two 8, and the inner threaded sleeves 6 are internally threadedly connected with matched fixing bolts 9.

[0035] In use, the copper heat sink plate 2 and the soundproof plate 3 can be installed by the inner threaded sleeves 6 passing through the corresponding circular holes one 7 and the circular holes two 8 and the fixing bolts 9 being screwed into the inner threaded sleeves 6, facilitating replacement of the copper heat sink plate 2 and the soundproof plate 3.

[0036] In some technical solutions, as shown in Figure 1 As shown, the rear side of the steel back body 1 is provided with three piston grooves 5.

[0037] In use, the piston grooves 5 can provide contact points for the brake pistons to contact the steel back body 1, ensuring the stability of the movement of the steel back body 1.

[0038] In some technical solutions, as shown in Figure 2 As shown, the copper heat sink plate 2, the large heat dissipation copper sleeve 12 and the small heat dissipation copper sleeve 13 are integrally formed by casting.

[0039] In use, the copper heat sink plate 2, the large heat dissipation copper sleeve 12 and the small heat dissipation copper sleeve 13 integrally formed by casting ensure the strength of the whole heat dissipation component.

[0040] Working principle: the small heat dissipation copper sleeve 13 and the large heat dissipation copper sleeve 12 are respectively inserted into the corresponding small heat dissipation holes 11 and large heat dissipation holes 10, so that the copper heat sink plate 2 is attached to the steel back body 1, the inner threaded sleeves 6 pass through the corresponding circular holes one 7 and the circular holes two 8, and the fixing bolts 9 are screwed into the inner threaded sleeves 6, so that the installation of the copper heat sink plate 2 and the soundproof plate 3 is completed, the small heat dissipation copper sleeve 13 and the large heat dissipation copper sleeve 12 can quickly transfer the heat generated by the friction of the brake pad to the copper heat sink plate 2 for heat dissipation, reducing the temperature rise of the steel back body 1, thereby reducing the thermal deformation of the steel back body 1; the installation bolts 16 are screwed into the corresponding threaded holes 15, thereby installing the warning sheet 4, and the warning sheet 4 can remind the replacement of the brake pad when the thickness of the brake pad is insufficient.

[0041] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application. Even though the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that the technical solutions recorded in the foregoing embodiments can be modified or some technical features thereof can be replaced equivalently by others. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A high-strength brake pad steel back comprising a steel back body (1), characterized in that: The front side of the steel back body (1) is provided with a plurality of large heat dissipation holes (10), and the rear side of the steel back body (1) is provided with a plurality of small heat dissipation holes (11), the large heat dissipation holes (10) and the small heat dissipation holes (11) are communicated, the rear side of the steel back body (1) is provided with a matching copper heat dissipation plate (2), the front side of the copper heat dissipation plate (2) is provided with a plurality of large heat dissipation copper sleeve pipes (12) matched with the large heat dissipation holes (10), the front side of the large heat dissipation copper sleeve pipe (12) is provided with a plurality of small heat dissipation copper sleeve pipes (13) matched with the small heat dissipation holes (11), the number of the large heat dissipation holes (10) and the small heat dissipation holes (11) is equal to the number of the large heat dissipation copper sleeve pipes (12) and the small heat dissipation copper sleeve pipes (13), the small heat dissipation copper sleeve pipes (13) are inside the small heat dissipation holes (11), and the large heat dissipation copper sleeve pipes (12) are inside the large heat dissipation holes (10).

2. A high-strength brake pad steel back as defined in claim 1, wherein, The rear side of the steel back body (1) is fixedly connected with two convex pieces (14), and the two sides of the steel back body (1) are provided with warning pieces (4), both ends of the convex piece (14) are provided with threaded holes (15), the warning piece (4) is penetrated and threadedly connected with a mounting bolt (16) matched with the threaded hole (15), and one end of the mounting bolt (16) is inside the threaded hole (15).

3. A high-strength brake pad steel back as defined in claim 1, wherein, The rear side of the copper heat dissipation plate (2) is provided with a matching soundproof board (3).

4. A high-strength brake pad steel back as defined in claim 3, wherein, The four corners of the rear side of the steel back body (1) are fixedly connected with internally threaded sleeve pipes (6), the four corners of the copper heat dissipation plate (2) are provided with circular holes one (7) matched with the internally threaded sleeve pipes (6), the four corners of the soundproof board (3) are provided with circular holes two (8) matched with the internally threaded sleeve pipes (6), the internally threaded sleeve pipes (6) pass through the circular holes one (7) and the circular holes two (8), and the internally threaded sleeve pipes (6) are internally threadedly connected with matching fixing bolts (9).

5. A high-strength brake pad steel back as defined in claim 1 wherein, The rear side of the steel back body (1) is provided with three piston grooves (5).

6. A high-strength brake pad steel back as defined in claim 1, wherein, The copper heat dissipation plate (2), the large heat dissipation copper sleeve pipe (12) and the small heat dissipation copper sleeve pipe (13) are integrally formed by casting.

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